There are many examples of landslides that have significantly impacted Alaska. In general, landslides are classified based on the material type being transported and the mechanics of how the material moves. The researchers said: “Landslides have set off giant waves elsewhere in Alaska and Greenland during the past decade. Transported materials include rock, soil (fine-grained material), roads impacted by slope instability and has web sites with information along the state's road system (Unstable Slopes in Alaska; AKDOT&PF's Geotechnical Asset Management Program). particularly significant in and around Anchorage. Take a look at these impressive numbers. “In Taan Fiord (Icy Bay, Alaska), a … Photo from U.S. Coast and Geodetic Survey archives. All rights reserved. School was canceled for the day and city officials urged residents to stay indoors and not travel. evaluated unstable slopes in a historically problematic area of slope failure along the Richardson Highway south of Glennallen; and investigated alpine-sourced debris flows Because landslides can potentially impact people and infrastructure in Alaska, DGGS conducts studies to evaluate unstable slopes and provide valuable information to policy makers, state and along the Haines Highway in an area of frequent rock fall. By Associated Press August 25, 2015. On May 14, an Alaska Department of Natural Resources press release and a public letter from 14 scientists warned locals of a possible landslide-generated tsunami. This is a developing story. Changing climate in Alaska increases the risk of landslides Landslide maps help raise awareness and promote … The main portion of … Planning is underway to reroute the Dalton Highway in the southern Brooks Range due to slow-moving permafrost-related landslides—known as frozen debris Many regions in Alaska are especially prone to landslides. #akwx @KTOOpubmedia @KRBDRadio @ravenradio @KHNS_FM @KFSK1 Alaska and landslide tsunamis Alaska is no stranger to landslide-induced tsunamis. federal government agencies, and the general public. … No life threatening damage of any sorts.”. High winds, flooding and landslides caused moderate to severe damage in communities across Southeast Alaska Wednesday, as an atmospheric river stalled over the region and brought record-breaking rain. Juneau, Alaska (KINY) - Alaska State Troopers and other agencies are on the ground in Haines. An open letter signed by 14 scientists with expertise in landslides, tsunamis and climate change warns of an unstable mountain slope above the leading edge of the retreating Barry Glacier in Alaska. No … In August 2015 there were more than 60 landslides in and around Sitka after heavy rains inundated the region. Recent DGGS projects have assessed geotechnical characteristics relating to a landslide that occurred in September 2012 near the Dalton Highway bridge over the Yukon River; © Alaska Public Media 2020. Landslides in Alaska. A landslide is the down-slope movement of earth material, under the influence of gravity, due to ground failure. Deadly August 2015 landslide near Sitka, Alaska. KETCHIKAN, Alaska (AP) — A landslide in a city near the southern tip of the Alaska Panhandle demolished the back side of a grocery store. According to the experts, the catastrophe can come within the next 12 months or in the coming 20 years. … It’s just wet and crazy,” he said with a laugh. rebound are important mechanisms that can trigger devastating landslides. These landslides resulted in three fatalities and substantial In August 2015 there were more than 60 landslides in and around Sitka after heavy rains inundated the region. (Rashah McChesney/KTOO) High winds, flooding and landslides prompted average to extreme injury in communities across Southeast […] Across Icy Strait in Hoonah, police Sgt. Southeast Alaska is taking a beating from a series of storms bringing high winds and heavy rain. Developing landslide inventory/susceptibility maps and modeling potential debris flow runout for the Sitka and Homer areas; Monitoring the movement of frozen debris lobes encroaching on the Dalton Highway in the southern Brooks Range in collaboration with the University of Alaska Fairbanks; Assessing the landslide and tsunami hazards in the upper Barry Arm with multiple state, federal, private and university entities.

landslides in alaska

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